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Old 03-28-2018, 11:44 PM   #2
Captainfab
60-66 Nut

 
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
Re: 1962 GMC One Ton

Your '73 C20 front suspension will bolt up under your '62 C30. You might want to change the differential also. That '62 C30 likely has 4.57 gears and 5.14 gears were an option. Yes you can bolt up the SM420 to a small block with a bellhousing change.
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